import { IModelConstructor, Model } from './model';
export interface ICollectionOptions<T extends Model> {
    modelIdField?: keyof T;
}
export interface ICollectionInsertOptions {
    validate?: boolean;
}
export declare abstract class Collection<T extends Model> {
    readonly model: IModelConstructor<T>;
    protected options: ICollectionOptions<T>;
    readonly modelIdField: string;
    constructor(model: IModelConstructor<T>, options?: ICollectionOptions<T>);
    abstract findById(id: string): Promise<T>;
    findByIds(ids: string[]): Promise<T[]>;
    toDb(model: T): object;
    fromDb(doc: object): T;
}